Filed under: Cellphones, HandheldsTeardown specialist iSuppli is at it again, digging through the G1's guts this time around in an effort to wrap its inquisitive brain around the inaugural Android handset's bill of materials. The result? $144, which naturally doesn't reflect HTC's R&D -- an additional expense that might have been unusually low for the G1 considering HTC's overwhelming expertise in manufacturing all things mobile. For the record, this is about $30 less than